content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   *
   * -------------------------
   * GridArrangementTests.java
   * -------------------------
   * (C) Copyright 2005-2012, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 08-Mar-2005 : Version 1 (DG);
   * 03-Dec-2008 : Added more tests (DG);
   * 17-Jun-2012 : Removed JCommon dependencies (DG);
   *
   */
  
  package org.jfree.chart.block;
  
  import org.jfree.chart.ui.Size2D;
  import org.jfree.data.Range;
  import org.junit.Test;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  
  /**
   * Tests for the {@link GridArrangement} class.
   */
  public class GridArrangementTest  {
  
  
  
  
  
      /**
       * Confirm that the equals() method can distinguish all the required fields.
       */
      @Test
      public void testEquals() {
          GridArrangement f1 = new GridArrangement(11, 22);
          GridArrangement f2 = new GridArrangement(11, 22);
          assertEquals(f1, f2);
          assertEquals(f2, f1);
  
          f1 = new GridArrangement(33, 22);
          assertFalse(f1.equals(f2));
          f2 = new GridArrangement(33, 22);
          assertEquals(f1, f2);
  
          f1 = new GridArrangement(33, 44);
          assertFalse(f1.equals(f2));
          f2 = new GridArrangement(33, 44);
          assertEquals(f1, f2);
      }
  
      /**
       * Immutable - cloning is not necessary.
       */
      @Test
      public void testCloning() throws CloneNotSupportedException {
          GridArrangement f1 = new GridArrangement(1, 2);
          assertFalse(f1 instanceof Cloneable);
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization() throws IOException, ClassNotFoundException {
          GridArrangement f1 = new GridArrangement(33, 44);
  
          ByteArrayOutputStream buffer = new ByteArrayOutputStream();
          ObjectOutput out = new ObjectOutputStream(buffer);
          out.writeObject(f1);
          out.close();
  
          ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(
                  buffer.toByteArray()));
          GridArrangement f2 = (GridArrangement) in.readObject();
          in.close();
          assertEquals(f1, f2);
      }
  
      private static final double EPSILON = 0.000000001;
  
      /**
       * Test arrangement with no constraints.
       */
      @Test
      public void testNN() {
          BlockContainer c = createTestContainer1();
          Size2D s = c.arrange(null, RectangleConstraint.NONE);
          assertEquals(90.0, s.width, EPSILON);
          assertEquals(33.0, s.height, EPSILON);
      }
  
      /**
       * Test arrangement with a fixed width and no height constraint.
       */
      @Test
      public void testFN() {
          BlockContainer c = createTestContainer1();
          RectangleConstraint constraint = new RectangleConstraint(100.0, null,
                  LengthConstraintType.FIXED, 0.0, null,
                  LengthConstraintType.NONE);
          Size2D s = c.arrange(null, constraint);
          assertEquals(100.0, s.width, EPSILON);
          assertEquals(33.0, s.height, EPSILON);
      }
  
      /**
       * Test arrangement with a fixed height and no width constraint.
       */
      @Test
      public void testNF() {
          BlockContainer c = createTestContainer1();
          RectangleConstraint constraint = RectangleConstraint.NONE.toFixedHeight(
                  100.0);
          Size2D s = c.arrange(null, constraint);
          assertEquals(90.0, s.width, EPSILON);
          assertEquals(100.0, s.height, EPSILON);
      }
  
      /**
       * Test arrangement with a range for the width and a fixed height.
       */
      @Test
      public void testRF() {
          BlockContainer c = createTestContainer1();
          RectangleConstraint constraint = new RectangleConstraint(new Range(40.0,
                  60.0), 100.0);
          Size2D s = c.arrange(null, constraint);
          assertEquals(60.0, s.width, EPSILON);
          assertEquals(100.0, s.height, EPSILON);
      }
  
      /**
       * Test arrangement with a range for the width and height.
       */
      @Test
      public void testRR() {
          BlockContainer c = createTestContainer1();
          RectangleConstraint constraint = new RectangleConstraint(new Range(40.0,
                  60.0), new Range(50.0, 70.0));
          Size2D s = c.arrange(null, constraint);
          assertEquals(60.0, s.width, EPSILON);
          assertEquals(50.0, s.height, EPSILON);
      }
  
      /**
       * Test arrangement with a range for the width and no height constraint.
       */
      @Test
      public void testRN() {
          BlockContainer c = createTestContainer1();
          RectangleConstraint constraint = RectangleConstraint.NONE.toRangeWidth(
                  new Range(40.0, 60.0));
          Size2D s = c.arrange(null, constraint);
          assertEquals(60.0, s.width, EPSILON);
          assertEquals(33.0, s.height, EPSILON);
      }
  
      /**
       * Test arrangement with a range for the height and no width constraint.
       */
      @Test
      public void testNR() {
          BlockContainer c = createTestContainer1();
          RectangleConstraint constraint = RectangleConstraint.NONE.toRangeHeight(
                  new Range(40.0, 60.0));
          Size2D s = c.arrange(null, constraint);
          assertEquals(90.0, s.width, EPSILON);
          assertEquals(40.0, s.height, EPSILON);
      }
  
      private BlockContainer createTestContainer1() {
          Block b1 = new EmptyBlock(10, 11);
          Block b2 = new EmptyBlock(20, 22);
          Block b3 = new EmptyBlock(30, 33);
          BlockContainer result = new BlockContainer(new GridArrangement(1, 3));
          result.add(b1);
          result.add(b2);
          result.add(b3);
          return result;
      }
  
      /**
       * The arrangement should be able to handle null blocks in the layout.
       */
      @Test
      public void testNullBlock_FF() {
          BlockContainer c = new BlockContainer(new GridArrangement(1, 1));
          c.add(null);
          Size2D s = c.arrange(null, new RectangleConstraint(20, 10));
          assertEquals(20.0, s.getWidth(), EPSILON);
          assertEquals(10.0, s.getHeight(), EPSILON);
      }
  
      /**
       * The arrangement should be able to handle null blocks in the layout.
       */
      @Test
      public void testNullBlock_FN() {
          BlockContainer c = new BlockContainer(new GridArrangement(1, 1));
          c.add(null);
          Size2D s = c.arrange(null, RectangleConstraint.NONE.toFixedWidth(10));
          assertEquals(10.0, s.getWidth(), EPSILON);
          assertEquals(0.0, s.getHeight(), EPSILON);
      }
  
      /**
       * The arrangement should be able to handle null blocks in the layout.
       */
      @Test
      public void testNullBlock_FR() {
          BlockContainer c = new BlockContainer(new GridArrangement(1, 1));
          c.add(null);
          Size2D s = c.arrange(null, new RectangleConstraint(30.0, new Range(5.0,
                  10.0)));
          assertEquals(30.0, s.getWidth(), EPSILON);
          assertEquals(5.0, s.getHeight(), EPSILON);
      }
  
      /**
       * The arrangement should be able to handle null blocks in the layout.
       */
      @Test
      public void testNullBlock_NN() {
          BlockContainer c = new BlockContainer(new GridArrangement(1, 1));
          c.add(null);
          Size2D s = c.arrange(null, RectangleConstraint.NONE);
          assertEquals(0.0, s.getWidth(), EPSILON);
          assertEquals(0.0, s.getHeight(), EPSILON);
      }
  
      /**
       * The arrangement should be able to handle less blocks than grid spaces.
       */
      @Test
      public void testGridNotFull_FF() {
          Block b1 = new EmptyBlock(5, 5);
          BlockContainer c = new BlockContainer(new GridArrangement(2, 3));
          c.add(b1);
          Size2D s = c.arrange(null, new RectangleConstraint(200, 100));
          assertEquals(200.0, s.getWidth(), EPSILON);
          assertEquals(100.0, s.getHeight(), EPSILON);
      }
  
      /**
       * The arrangement should be able to handle less blocks than grid spaces.
       */
      @Test
      public void testGridNotFull_FN() {
          Block b1 = new EmptyBlock(5, 5);
          BlockContainer c = new BlockContainer(new GridArrangement(2, 3));
          c.add(b1);
          Size2D s = c.arrange(null, RectangleConstraint.NONE.toFixedWidth(30.0));
          assertEquals(30.0, s.getWidth(), EPSILON);
          assertEquals(10.0, s.getHeight(), EPSILON);
      }
  
      /**
       * The arrangement should be able to handle less blocks than grid spaces.
       */
      @Test
      public void testGridNotFull_FR() {
          Block b1 = new EmptyBlock(5, 5);
          BlockContainer c = new BlockContainer(new GridArrangement(2, 3));
          c.add(b1);
          Size2D s = c.arrange(null, new RectangleConstraint(30.0, new Range(5.0,
                  10.0)));
          assertEquals(30.0, s.getWidth(), EPSILON);
          assertEquals(10.0, s.getHeight(), EPSILON);
      }
  
      /**
       * The arrangement should be able to handle less blocks than grid spaces.
       */
      @Test
      public void testGridNotFull_NN() {
          Block b1 = new EmptyBlock(5, 5);
          BlockContainer c = new BlockContainer(new GridArrangement(2, 3));
          c.add(b1);
          Size2D s = c.arrange(null, RectangleConstraint.NONE);
          assertEquals(15.0, s.getWidth(), EPSILON);
          assertEquals(10.0, s.getHeight(), EPSILON);
      }
  
  }
  